.el-menu--collapse>div>.el-menu-item span, .el-menu--collapse>div>.el-submenu>.el-submenu__title span{
	height: 0;
    width: 0;
    overflow: hidden;
    visibility: hidden;
    display: inline-block;
}
.el-menu--collapse>div>.el-menu-item .el-submenu__icon-arrow, .el-menu--collapse>div>.el-submenu>.el-submenu__title .el-submenu__icon-arrow{
	display: none;
}
.el-submenu .el-menu-item, .nest-menu .el-submenu>.el-submenu__title{
	background: #021d3a;
}